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MR. NATE SULLIVAN APNP
NPI 1891240610
Nurse Practitioner in Madison, WI

Active since August 22, 2016PECOS EnrolledAccepts Medicare Assignment
82.39/100
CMS Quality Rating
20 S PARK ST, MADISON, WI 53715(608) 255-4223(608) 255-4449 Get Directions Write a Review

NPPES record last updated: December 5, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 5, 2025, Jun 16, 2025, Feb 4, 2025 and 2 more (5 updates tracked since 2016).

About Mr. Nate Sullivan Apnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. NATE SULLIVAN APNP (NPI 1891240610) is an individual nurse practitioner in Madison, Wisconsin, licensed in Wisconsin (7194) and active in the NPI registry since August 2016. He is enrolled in Medicare PECOS, is affiliated with Fort Memorial Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1891240610
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameMR. NATE SULLIVANCredential: APNP
Location Address20 S PARK STMadison, WI 53715-1348
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Phone(608) 255-4223
Fax(608) 255-4449
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateAugust 22, 2016
Last NPPES UpdateDecember 5, 20255 updates tracked since enumeration
NPPES CertifiedDecember 5, 2025
✔ NPI 1891240610 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in WI · 7194
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 7194 (WI)
20 S PARK ST, Madison, WI 53715
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Nate Sullivan Apnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709172836
PECOS Enrollment IDI20160915001259
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
99 services54 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
31 services31 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Fort Memorial Hospital

Acute Care Hospitals · Fort Atkinson, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number520071
Location611 Sherman Ave EFort Atkinson, WI 53538 · Jefferson County
Emergency services Birthing friendly

Unitypoint Health - Meriter

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520089
Location202 S Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

University Of Wi Hospitals & Clinics Authority

Acute Care Hospitals · Madison, WI
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number520098
Location600 Highland AvenueMadison, WI 53792 · Dane County
Emergency services

Reedsburg Area Medical Center

Critical Access Hospitals · Reedsburg, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number521351
Location2000 N Dewey AveReedsburg, WI 53959 · Sauk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53715 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality77.88
Promoting Interoperability81
Improvement Activities40
Cost74.38

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JEFFREY S BLAKESLEY DO
Psychiatry & Neurology (Neurology)
20 S PARK ST
MADISON, WI 53715
Dane County (608) 287-2090
ELIZA A. BENNETT M.D.
Obstetrics & Gynecology
20 S PARK ST, OB/GYN CLINIC
MADISON, WI 53715
Dane County (608) 287-2830
RANDY S HEIDEL MD
Internal Medicine
20 S PARK ST
MADISON, WI 53715
Dane County (608) 287-2250
ANGELA B. MORGAN PA-C
Physician Assistant (Medical)
20 S PARK ST
MADISON, WI 53715
Dane County (608) 287-2250
LUKE CHRISTOPHER ADDESSO MD
Pediatrics
20 S PARK ST
MADISON, WI 53715
Dane County (608) 287-2580
ELIZABETH RUSHING PA
Physician Assistant (Medical)
20 S PARK ST
MADISON, WI 53715
Dane County (608) 287-2090
DR. SONYA THOMPSON MD
Obstetrics & Gynecology
20 S PARK ST
MADISON, WI 53715
Dane County (608) 914-2200
SHANDA R WELLS PHD
Psychologist
20 S PARK ST
MADISON, WI 53715
Dane County (608) 287-2340

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nate Sullivan's NPI number?

The NPI number for Nate Sullivan is 1891240610. It was assigned to this individual provider in the NPPES registry on August 22, 2016.

Where is Nate Sullivan located?

Nate Sullivan practices at 20 S Park St, Madison, WI 53715. The listed phone number is (608) 255-4223.

What is Nate Sullivan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Nate Sullivan enrolled in Medicare?

Yes. Nate Sullivan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Nate Sullivan accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Quartz and 1 other insurer list Nate Sullivan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nate Sullivan affiliated with any hospitals?

According to CMS data, Nate Sullivan is affiliated with Fort Memorial Hospital, Unitypoint Health - Meriter, University Of Wi Hospitals & Clinics Authority and Reedsburg Area Medical Center.

When was this NPI record last updated?

The NPPES record for Nate Sullivan was last updated on December 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.